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The Best Calorie Counting App for Weight Gain and Weight Loss on a GLP-1 Journey

Whether your goal is losing weight or rebuilding it — and both situations arise on a GLP-1 journey — calorie tracking gives you something solid to work with. A good calorie counting app removes the guesswork, whether you need to ensure you're eating enough protein to protect muscle, or keep a closer eye on overall intake as appetite changes. GLP Trackr is built specifically for people already on Mounjaro or Wegovy, putting food logging at the centre of every day.

Trusted by 10,000+ GLP-1 users
The Best Calorie Counting App for Weight Gain and Weight Loss on a GLP-1 Journey

Why Calorie Tracking Looks Different on a GLP-1 Medication

Mounjaro (tirzepatide) and Wegovy (semaglutide) both act on appetite-regulating pathways, and many people report a significant reduction in hunger — sometimes called reduced "food noise." That's useful for weight loss, but it can create a different challenge: eating too little, especially of the right foods. Undereating protein, in particular, can contribute to muscle loss alongside fat loss, which most people want to avoid.

A reliable calorie counting app helps in both directions. For weight loss, it keeps you aware of your intake without obsessing over every bite. For people who need to regain weight — whether after illness, surgery, or unintended loss — the same logging tools help ensure enough calories and nutrients are coming in each day.

What to look for in a calorie tracking app on GLP-1s

  • Fast, low-effort logging — appetite suppression means meals are smaller and less predictable; logging should take seconds, not minutes.
  • Protein tracking — not just calories. Getting adequate protein while eating less is one of the most commonly discussed nutritional challenges on these medicines.
  • Meal patterns over time — a single day's intake matters less than the weekly pattern; trend data is more useful than a daily snapshot.
  • GLP-1-friendly meal ideas — suggestions that work around a slower stomach and reduced appetite, rather than standard high-volume meal plans.

For a broader look at how calorie tracking fits into life on these medicines, the calorie deficit guide covers the principles in more depth. You can also compare options in the overview of calorie counting apps, or explore the general calorie counting app guide for more context on how these tools work.

1–2%

average weekly weight change in the first 16 weeks of Mounjaro & Wegovy use*

Tracking the right four numbers — weight, waist, protein and dose — turns a noisy chart into a clear story. That's the loop GLP-1 users keep coming back for.

AI Meal Tracking. Built for GLP 1 Appetites.

Point your camera at any meal and let our AI do the rest. Breakfast, doses, weight, mood all tracked in seconds.

Scanning meal with camera
Meal nutrition details

How GLP Trackr Handles Food Logging for Both Goals

GLP Trackr's AI-powered food photo scan is the standout feature for people on GLP-1 medicines: point your camera at a meal and get an instant breakdown of calories, protein, and macros — no searching, no typing, no barcode required. When appetite is low and meals are small and irregular, removing that friction makes the difference between logging consistently and giving up on it.

Beyond photo scanning, the barcode scanner and manual search cover packaged foods, snacks, and drinks. Every entry feeds into your daily targets — which you set yourself for calories, protein, and other nutrients — so you can see at a glance whether you're hitting, missing, or exceeding your goals. For those focused on weight gain, the same targets work in reverse: the app shows clearly if you've fallen short of your intake goal for the day.

The meal plan and recipe library adds another layer, with GLP-1-friendly options built around protein-first, gentle-on-the-stomach meals. These work equally well whether you're trying to eat a little less or a little more of the right things.

If you're looking for a free starting point, the free calorie counting app options page is worth a read alongside this one.

GLP Trackr is free to try for 7 days — available on the App Store and Google Play. If food logging on a GLP-1 journey has felt clunky or inconsistent with other apps, it's worth trying one that was built for exactly this situation.

What does glptrackr include?

10+ powerful features. One app. Built specifically for Mounjaro and Wegovy users.

Everything your GLP-1 journey needs. Free to try for 7 days.

Morning Check-In
DAILY

Morning Check-In

Start every day with a 60-second wellness check-in. Log how you're feeling, track nausea, appetite, energy, and mood — giving you and your care team a complete picture of how your medication is working.

Injection Tracking
MEDICATION

Injection Tracking

Log every dose with a single tap. Track your dose history, phase in your cycle, estimated medication levels, and upcoming injection dates — with reminders so you never miss a scheduled shot.

Hydration Reminders
WELLNESS

Hydration Reminders

Staying hydrated is especially important on GLP-1 medications. Set daily water targets, log intake throughout the day, and receive smart nudges when you're falling behind your goal.

Smart Meal Planning
NUTRITION

Smart Meal Planning

Personalized meal plans built around your current dose phase and side effects. Every meal is GLP-1 optimized — high in protein, gentle on the stomach, and scaled to your reduced appetite.

Recipe Library
RECIPES

Recipe Library

Browse 50+ high-protein, GLP-1-friendly recipes filtered by meal type, prep time, and dietary needs. Every recipe includes full nutrition info, step-by-step instructions, and tips for eating with side effects.

Progress Analytics
ANALYTICS

Progress Analytics

Beautiful, easy-to-read charts show your weight loss trajectory, weekly nutrition trends, medication responses, and wellbeing scores over time — turning raw data into genuine insights.

AI Meal Scanning
AI

AI Meal Scanning

Snap a photo of any meal and get a full nutrition breakdown in seconds — calories, protein, carbs, fat, and fibre. No searching. No manual logging. Just point, snap, and track.

Exercise & Steps
FITNESS

Exercise & Steps

Log walks, workouts, and movement with activity targets that flex with your energy levels. On lower-energy dose days, gentler targets keep you moving without burning out.

Community Support
COMMUNITY

Community Support

Connect with thousands of others navigating the same medication journey. Share milestones, ask questions, find accountability partners, and get support from people who truly understand.

Never Forget a Dose Again.

Log your Mounjaro or Wegovy injection in seconds. Track your pen, your dose level, and your injection site — so you always know exactly where you are in your treatment.

Never Forget a Dose Again

Watch Your Body Transform, Week by Week.

Log your weight, measurements, and how you're feeling after each dose. GLPTrackr turns your data into clear, motivating charts that show you how far you've really come.

Watch Your Body Transform

You're Not on This Journey Alone.

Connect with thousands of real GLP-1 users sharing their wins, side effect tips, and meal ideas. Get the support of people who truly get it — because they're living it too.

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  • Track weight, meals, water, exercise, & sleep
  • Log doses, injection sites, & side effects
  • 60-second daily morning check-in
  • AI meal scanning & barcode scanning
  • Personalised AI meal plans & recipes
  • Golden Dose Finder AI
  • Medication Clock — real-time level tracking
  • Daily Brief and predictive side effects
  • Full insights & weekly transformation cards
  • Unlimited progress photos
  • Doctor PDF export & body measurements
  • Community Access—Connect with GLP-1 users

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Powered by GLPIQ 3.0

The Most Advanced GLP-1 Brain Ever Built.

The first AI built exclusively for GLP-1 weight loss. Every insight, every meal plan, every prediction trained on one thing only: helping you get the most out of your medication.

Knows Your Cycle

Knows Your Cycle

GLPIQ tracks where you are in your injection cycle and adjusts everything around it: lighter meals on nausea days, higher protein when appetite returns, and smarter targets as your medication level shifts.

Predicts Before You Feel It

Predicts Before You Feel It

GLPIQ learns your personal side effect patterns over time. After a few cycles, it starts warning you the morning before a rough day — and adjusts your meal plan automatically.

Finds Your Golden Dose

Finds Your Golden Dose

GLPIQ analyses every dose you've been on: weight loss rate, side effects, food noise, mood, protein adherence and tells you which dose gave you the best results. No other app does this.

Download glptrackr today.

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Frequently asked questions.

Yes. GLP-1 medicines can significantly reduce appetite, making it easy to undereat unintentionally. A calorie counting app helps people aiming to gain or maintain weight ensure they're consistently hitting their intake and protein goals each day.

Protein is widely considered the most important macro to track alongside calories on a GLP-1 medicine, since appetite suppression can make it harder to eat enough to protect muscle mass. Water intake and fibre are also commonly tracked by people on these medicines.

GLP Trackr includes an AI photo scan that estimates calories and macros from a photo of your meal, alongside a barcode scanner and food search. It is designed specifically for people on Mounjaro and Wegovy, where meals are often smaller and less predictable.

Yes. The same food logging tools work for both goals — you simply set your calorie and protein targets to match your aim. The app shows whether you're above or below your target each day, whether you're trying to eat less or more.

There is no universal requirement, and your prescriber or doctor is the right person to advise on your individual approach. Many people find that tracking calories and protein helps them stay consistent and understand their own patterns, particularly as appetite changes over time.